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3 results for: after mount st. helens eruption

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1980 - Mount St. Helens soon after the May 18, 1980 eruption, as viewed from Johnston's Ridge.
UMG22A39_248

1980 - Mount St. Helens soon after the May 18, 198...

1981 - Gas Sampling around the Mount St. Helens Dome
UMG22A39_247

1981 - Gas Sampling around the Mount St. Helens Do...

This photo was taken on July 15, 1980 which shows the after-effects of the Mount St. Helens eruption. Here we see mudflow almost to the top of the mailbox posts near Cowlitz River in Cowlitz County, W...
UMG22A30_102

This photo was taken on July 15, 1980 which shows ...